2123012121022 has 64 divisors (see below), whose sum is σ = 3568148236800. Its totient is φ = 940636085760.

The previous prime is 2123012121017. The next prime is 2123012121029. The reversal of 2123012121022 is 2201212103212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123012121029) 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, 100032372 + ... + 100053592.

It is an arithmetic number, because the mean of its divisors is an integer number (55752316200).

Almost surely, 2^{2123012121022} is an apocalyptic number.

2123012121022 is a deficient number, since it is larger than the sum of its proper divisors (1445136115778).

2123012121022 is a wasteful number, since it uses less digits than its factorization.

2123012121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22021.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2123012121022 its reverse (2201212103212), we get a palindrome (4324224224234).

The spelling of 2123012121022 in words is "two trillion, one hundred twenty-three billion, twelve million, one hundred twenty-one thousand, twenty-two".