1220022212102 has 16 divisors (see below), whose sum is σ = 1867969285200. Its totient is φ = 597442655520.

The previous prime is 1220022212081. The next prime is 1220022212107. The reversal of 1220022212102 is 2012122200221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220022212107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19186049 + ... + 19249532.

It is an arithmetic number, because the mean of its divisors is an integer number (116748080325).

Almost surely, 2^{1220022212102} is an apocalyptic number.

1220022212102 is a deficient number, since it is larger than the sum of its proper divisors (647947073098).

1220022212102 is a wasteful number, since it uses less digits than its factorization.

1220022212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38435911.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1220022212102 its reverse (2012122200221), we get a palindrome (3232144412323).

The spelling of 1220022212102 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred twelve thousand, one hundred two".