2121020062 has 64 divisors (see below), whose sum is σ = 4031078400. Its totient is φ = 816076800.

The previous prime is 2121020051. The next prime is 2121020063. The reversal of 2121020062 is 2600201212.

It is a super-2 number, since 2×2121020062² = 8997452206812967688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121020063) 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, 521814 + ... + 525862.

It is an arithmetic number, because the mean of its divisors is an integer number (62985600).

Almost surely, 2^2121020062 is an apocalyptic number.

2121020062 is a deficient number, since it is larger than the sum of its proper divisors (1910058338).

2121020062 is a wasteful number, since it uses less digits than its factorization.

2121020062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2121020062 is about 46054.5335661974. The cubic root of 2121020062 is about 1284.8376630304.

Adding to 2121020062 its reverse (2600201212), we get a palindrome (4721221274).

The spelling of 2121020062 in words is "two billion, one hundred twenty-one million, twenty thousand, sixty-two".