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1022102121030 = 23552181652921
BaseRepresentation
bin11101101111110100000…
…10001010101001000110
310121201020001110111200020
432313322002022221012
5113221231120333110
62101314111400010
7133562433452454
oct16677202125106
93551201414606
101022102121030
11364520001621
1214610bb23006
13754cb324873
14376819ab9d4
151b8c1d17d70
hexedfa08aa46

1022102121030 has 32 divisors (see below), whose sum is σ = 2453095857888. Its totient is φ = 272554924800.

The previous prime is 1022102121023. The next prime is 1022102121031. The reversal of 1022102121030 is 301212012201.

1022102121030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022102121031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238970 + ... + 1891890.

It is an arithmetic number, because the mean of its divisors is an integer number (76659245559).

Almost surely, 21022102121030 is an apocalyptic number.

1022102121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022102121030 is an abundant number, since it is smaller than the sum of its proper divisors (1430993736858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022102121030 is a wasteful number, since it uses less digits than its factorization.

1022102121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705112.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1022102121030 its reverse (301212012201), we get a palindrome (1323314133231).

The spelling of 1022102121030 in words is "one trillion, twenty-two billion, one hundred two million, one hundred twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 52181 104362 156543 260905 313086 521810 652921 782715 1305842 1565430 1958763 3264605 3917526 6529210 9793815 19587630 34070070701 68140141402 102210212103 170350353505 204420424206 340700707010 511051060515 1022102121030