121122222210102 has 32 divisors (see below), whose sum is σ = 249059397794400. Its totient is φ = 39240597685248.

The previous prime is 121122222210079. The next prime is 121122222210167. The reversal of 121122222210102 is 201012222221121.

It is a super-2 number, since 2×121122222210102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293440477 + ... + 293852952.

It is an arithmetic number, because the mean of its divisors is an integer number (7783106181075).

Almost surely, 2^{121122222210102} is an apocalyptic number.

121122222210102 is an abundant number, since it is smaller than the sum of its proper divisors (127937175584298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121122222210102 is a wasteful number, since it uses less digits than its factorization.

121122222210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587294400.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121122222210102 its reverse (201012222221121), we get a palindrome (322134444431223).

The spelling of 121122222210102 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred ten thousand, one hundred two".