214202012121 has 12 divisors (see below), whose sum is σ = 309706553520. Its totient is φ = 142661196600.

The previous prime is 214202012107. The next prime is 214202012177. The reversal of 214202012121 is 121210202412.

214202012121 is a `hidden beast` number, since 2 + 1 + 420 + 201 + 21 + 21 = 666.

It is not a de Polignac number, because 214202012121 - 2⁷ = 214202011993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214202012094 and 214202012103.

It is not an unprimeable number, because it can be changed into a prime (214202012191) 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, 11669055 + ... + 11687396.

It is an arithmetic number, because the mean of its divisors is an integer number (25808879460).

Almost surely, 2^214202012121 is an apocalyptic number.

It is an amenable number.

214202012121 is a deficient number, since it is larger than the sum of its proper divisors (95504541399).

214202012121 is a wasteful number, since it uses less digits than its factorization.

214202012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23357476 (or 23357473 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 214202012121 its reverse (121210202412), we get a palindrome (335412214533).

The spelling of 214202012121 in words is "two hundred fourteen billion, two hundred two million, twelve thousand, one hundred twenty-one".