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1022010020111 = 1278047322993
BaseRepresentation
bin11101101111101001000…
…10110101000100001111
310121200222122011021222002
432313310202311010033
5113221034031120421
62101301021342515
7133560234556613
oct16676442650417
93550878137862
101022010020111
11364483015863
121460a5107a3b
13754b5218592
1437673675343
151b8b8bc3b0b
hexedf48b510f

1022010020111 has 4 divisors (see below), whose sum is σ = 1030057343232. Its totient is φ = 1013962696992.

The previous prime is 1022010020081. The next prime is 1022010020137. The reversal of 1022010020111 is 1110200102201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022010020111 - 26 = 1022010020047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022010020092 and 1022010020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022010025111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023661370 + ... + 4023661623.

It is an arithmetic number, because the mean of its divisors is an integer number (257514335808).

Almost surely, 21022010020111 is an apocalyptic number.

1022010020111 is a deficient number, since it is larger than the sum of its proper divisors (8047323121).

1022010020111 is an equidigital number, since it uses as much as digits as its factorization.

1022010020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047323120.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1022010020111 its reverse (1110200102201), we get a palindrome (2132210122312).

The spelling of 1022010020111 in words is "one trillion, twenty-two billion, ten million, twenty thousand, one hundred eleven".

Divisors: 1 127 8047322993 1022010020111