1102012221031 has 4 divisors (see below), whose sum is σ = 1112711368912. Its totient is φ = 1091313073152.

The previous prime is 1102012221019. The next prime is 1102012221103. The reversal of 1102012221031 is 1301222102011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102012221031 is a prime.

It is a super-2 number, since 2×1102012221031² (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 = 1102012220996 and 1102012221014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102012221131) 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, 5349573786 + ... + 5349573991.

It is an arithmetic number, because the mean of its divisors is an integer number (278177842228).

Almost surely, 2^{1102012221031} is an apocalyptic number.

1102012221031 is a deficient number, since it is larger than the sum of its proper divisors (10699147881).

1102012221031 is a wasteful number, since it uses less digits than its factorization.

1102012221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10699147880.

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

Adding to 1102012221031 its reverse (1301222102011), we get a palindrome (2403234323042).

The spelling of 1102012221031 in words is "one trillion, one hundred two billion, twelve million, two hundred twenty-one thousand, thirty-one".