1220102122002 has 32 divisors (see below), whose sum is σ = 2579660291520. Its totient is φ = 383641770240.

The previous prime is 1220102121971. The next prime is 1220102122007. The reversal of 1220102122002 is 2002212010221.

It is a super-2 number, since 2×1220102122002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220102122007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22940499 + ... + 22993622.

It is an arithmetic number, because the mean of its divisors is an integer number (80614384110).

Almost surely, 2^{1220102122002} is an apocalyptic number.

1220102122002 is an abundant number, since it is smaller than the sum of its proper divisors (1359558169518).

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

1220102122002 is a wasteful number, since it uses less digits than its factorization.

1220102122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45934378.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220102122002 its reverse (2002212010221), we get a palindrome (3222314132223).

The spelling of 1220102122002 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred twenty-two thousand, two".