1222210121102 has 16 divisors (see below), whose sum is σ = 1970129751120. Its totient is φ = 566573259648.

The previous prime is 1222210121059. The next prime is 1222210121113. The reversal of 1222210121102 is 2011210122221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268261577 + ... + 268266132.

It is an arithmetic number, because the mean of its divisors is an integer number (123133109445).

Almost surely, 2^{1222210121102} is an apocalyptic number.

1222210121102 is a deficient number, since it is larger than the sum of its proper divisors (747919630018).

1222210121102 is a wasteful number, since it uses less digits than its factorization.

1222210121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536527795.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222210121102 its reverse (2011210122221), we get a palindrome (3233420243323).

The spelling of 1222210121102 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, one hundred twenty-one thousand, one hundred two".