1122102101021 has 4 divisors (see below), whose sum is σ = 1224111382944. Its totient is φ = 1020092819100.

The previous prime is 1122102101017. The next prime is 1122102101027. The reversal of 1122102101021 is 1201012012211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1122102101021 - 2² = 1122102101017 is a prime.

It is a super-2 number, since 2×1122102101021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122102100987 and 1122102101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122102101027) 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, 51004640945 + ... + 51004640966.

It is an arithmetic number, because the mean of its divisors is an integer number (306027845736).

Almost surely, 2^{1122102101021} is an apocalyptic number.

1122102101021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122102101021 is a deficient number, since it is larger than the sum of its proper divisors (102009281923).

1122102101021 is a wasteful number, since it uses less digits than its factorization.

1122102101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102009281922.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122102101021 its reverse (1201012012211), we get a palindrome (2323114113232).

The spelling of 1122102101021 in words is "one trillion, one hundred twenty-two billion, one hundred two million, one hundred one thousand, twenty-one".