2021211122010 has 16 divisors (see below), whose sum is σ = 4850906692896. Its totient is φ = 538989632528.

The previous prime is 2021211122009. The next prime is 2021211122053. The reversal of 2021211122010 is 102211121202.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 33686852004 + ... + 33686852063.

It is an arithmetic number, because the mean of its divisors is an integer number (303181668306).

Almost surely, 2^{2021211122010} is an apocalyptic number.

2021211122010 is an abundant number, since it is smaller than the sum of its proper divisors (2829695570886).

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

2021211122010 is a wasteful number, since it uses less digits than its factorization.

2021211122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67373704077.

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

Adding to 2021211122010 its reverse (102211121202), we get a palindrome (2123422243212).

The spelling of 2021211122010 in words is "two trillion, twenty-one billion, two hundred eleven million, one hundred twenty-two thousand, ten".