1020121211202 has 32 divisors (see below), whose sum is σ = 2096065173312. Its totient is φ = 330742586304.

The previous prime is 1020121211177. The next prime is 1020121211203. The reversal of 1020121211202 is 2021121210201.

1020121211202 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1020121211203) 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, 60813 + ... + 1429664.

It is an arithmetic number, because the mean of its divisors is an integer number (65502036666).

Almost surely, 2^{1020121211202} is an apocalyptic number.

1020121211202 is an abundant number, since it is smaller than the sum of its proper divisors (1075943962110).

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

1020121211202 is a wasteful number, since it uses less digits than its factorization.

1020121211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493602.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1020121211202 its reverse (2021121210201), we get a palindrome (3041242421403).

The spelling of 1020121211202 in words is "one trillion, twenty billion, one hundred twenty-one million, two hundred eleven thousand, two hundred two".