121210010211222 has 24 divisors (see below), whose sum is σ = 262823550247440. Its totient is φ = 40372281128400.

The previous prime is 121210010211193. The next prime is 121210010211281. The reversal of 121210010211222 is 222112010012121.

121210010211222 is a `hidden beast` number, since 1 + 21 + 210 + 0 + 1 + 0 + 211 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121210010211195 and 121210010211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2587943322 + ... + 2587990157.

It is an arithmetic number, because the mean of its divisors is an integer number (10950981260310).

Almost surely, 2^{121210010211222} is an apocalyptic number.

121210010211222 is an abundant number, since it is smaller than the sum of its proper divisors (141613540036218).

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

121210010211222 is a wasteful number, since it uses less digits than its factorization.

121210010211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175934788 (or 5175934785 counting only the distinct ones).

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

Adding to 121210010211222 its reverse (222112010012121), we get a palindrome (343322020223343).

The spelling of 121210010211222 in words is "one hundred twenty-one trillion, two hundred ten billion, ten million, two hundred eleven thousand, two hundred twenty-two".