20021211124130 has 32 divisors (see below), whose sum is σ = 36106300758528. Its totient is φ = 7993350403200.

The previous prime is 20021211124091. The next prime is 20021211124153. The reversal of 20021211124130 is 3142111212002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41563439 + ... + 42042381.

It is an arithmetic number, because the mean of its divisors is an integer number (1128321898704).

Almost surely, 2^{20021211124130} is an apocalyptic number.

20021211124130 is a deficient number, since it is larger than the sum of its proper divisors (16085089634398).

20021211124130 is a wasteful number, since it uses less digits than its factorization.

20021211124130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486842.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20021211124130 its reverse (3142111212002), we get a palindrome (23163322336132).

The spelling of 20021211124130 in words is "twenty trillion, twenty-one billion, two hundred eleven million, one hundred twenty-four thousand, one hundred thirty".