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1122021021031 = 19243642111257
BaseRepresentation
bin10000010100111101101…
…010100001010101100111
310222021010120111112122021
4100110331222201111213
5121340344340133111
62215241020244011
7144030504214021
oct20247552412547
93867116445567
101122021021031
113a2934685029
121615566a0607
1381a630aa331
143c43dd5b011
151e2bdd82d71
hex1053daa1567

1122021021031 has 24 divisors (see below), whose sum is σ = 1212018357264. Its totient is φ = 1037993201280.

The previous prime is 1122021020947. The next prime is 1122021021041. The reversal of 1122021021031 is 1301201202211.

It is not a de Polignac number, because 1122021021031 - 211 = 1122021018983 is a prime.

It is a super-2 number, since 2×11220210210312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122021020996 and 1122021021014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122021021041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99667555 + ... + 99678811.

It is an arithmetic number, because the mean of its divisors is an integer number (50500764886).

Almost surely, 21122021021031 is an apocalyptic number.

1122021021031 is a deficient number, since it is larger than the sum of its proper divisors (89997336233).

1122021021031 is a wasteful number, since it uses less digits than its factorization.

1122021021031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17759 (or 17740 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1122021021031 its reverse (1301201202211), we get a palindrome (2423222223242).

The spelling of 1122021021031 in words is "one trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand, thirty-one".

Divisors: 1 19 43 361 817 6421 11257 15523 121999 213883 276103 484051 2317981 4063777 5245957 9196969 72281197 99673183 174742411 1373342743 3108091471 26093512117 59053737949 1122021021031