1022200121202 has 64 divisors (see below), whose sum is σ = 2217289334400. Its totient is φ = 312292237824.

The previous prime is 1022200121171. The next prime is 1022200121207. The reversal of 1022200121202 is 2021210022201.

It is not an unprimeable number, because it can be changed into a prime (1022200121207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33025878 + ... + 33056814.

It is an arithmetic number, because the mean of its divisors is an integer number (34645145850).

Almost surely, 2^{1022200121202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022200121202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108644667200).

1022200121202 is an abundant number, since it is smaller than the sum of its proper divisors (1195089213198).

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

1022200121202 is a wasteful number, since it uses less digits than its factorization.

1022200121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33947.

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

Adding to 1022200121202 its reverse (2021210022201), we get a palindrome (3043410143403).

Subtracting 1022200121202 from its reverse (2021210022201), we obtain a palindrome (999009900999).

The spelling of 1022200121202 in words is "one trillion, twenty-two billion, two hundred million, one hundred twenty-one thousand, two hundred two".