213123023001102 has 128 divisors (see below), whose sum is σ = 451696059150336. Its totient is φ = 66928498560000.

The previous prime is 213123023001079. The next prime is 213123023001157. The reversal of 213123023001102 is 201100320321312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20054857113 + ... + 20054867739.

It is an arithmetic number, because the mean of its divisors is an integer number (3528875462112).

Almost surely, 2^{213123023001102} is an apocalyptic number.

213123023001102 is an abundant number, since it is smaller than the sum of its proper divisors (238573036149234).

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

213123023001102 is a wasteful number, since it uses less digits than its factorization.

213123023001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16106.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213123023001102 its reverse (201100320321312), we get a palindrome (414223343322414).

The spelling of 213123023001102 in words is "two hundred thirteen trillion, one hundred twenty-three billion, twenty-three million, one thousand, one hundred two".