1102212122121 has 12 divisors (see below), whose sum is σ = 1736819101680. Its totient is φ = 668007346680.

The previous prime is 1102212122113. The next prime is 1102212122129. The reversal of 1102212122121 is 1212212122011.

1102212122121 is a `hidden beast` number, since 110 + 221 + 212 + 2 + 121 = 666.

It is an interprime number because it is at equal distance from previous prime (1102212122113) and next prime (1102212122129).

It is not a de Polignac number, because 1102212122121 - 2³ = 1102212122113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102212122094 and 1102212122103.

It is not an unprimeable number, because it can be changed into a prime (1102212122129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5566727791 + ... + 5566727988.

It is an arithmetic number, because the mean of its divisors is an integer number (144734925140).

Almost surely, 2^{1102212122121} is an apocalyptic number.

1102212122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102212122121 is a deficient number, since it is larger than the sum of its proper divisors (634606979559).

1102212122121 is a wasteful number, since it uses less digits than its factorization.

1102212122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11133455796 (or 11133455793 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1102212122121 its reverse (1212212122011), we get a palindrome (2314424244132).

The spelling of 1102212122121 in words is "one trillion, one hundred two billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twenty-one".