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1022023221121 = 77917310682909
BaseRepresentation
bin11101101111101010101…
…01001011111110000001
310121201000112222222100101
432313311111023332001
5113221100421033441
62101302212322401
7133560455020540
oct16676525137601
93551015888311
101022023221121
1136448a511991
121460a9613401
13754b7b8b126
1437675310157
151b8b9e30231
hexedf554bf81

1022023221121 has 16 divisors (see below), whose sum is σ = 1189648857600. Its totient is φ = 859931362368.

The previous prime is 1022023221097. The next prime is 1022023221151. The reversal of 1022023221121 is 1211223202201.

It is a cyclic number.

It is not a de Polignac number, because 1022023221121 - 213 = 1022023212929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022023221151) 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, 5245786 + ... + 5437123.

It is an arithmetic number, because the mean of its divisors is an integer number (74353053600).

Almost surely, 21022023221121 is an apocalyptic number.

It is an amenable number.

1022023221121 is a deficient number, since it is larger than the sum of its proper divisors (167625636479).

1022023221121 is a wasteful number, since it uses less digits than its factorization.

1022023221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10683168.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1022023221121 its reverse (1211223202201), we get a palindrome (2233246423322).

The spelling of 1022023221121 in words is "one trillion, twenty-two billion, twenty-three million, two hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 7 79 173 553 1211 13667 95669 10682909 74780363 843949811 1848143257 5907648677 12937002799 146003317303 1022023221121