20212110021102 has 32 divisors (see below), whose sum is σ = 41806896076800. Its totient is φ = 6510553072608.

The previous prime is 20212110021097. The next prime is 20212110021107. The reversal of 20212110021102 is 20112001121202.

It is an interprime number because it is at equal distance from previous prime (20212110021097) and next prime (20212110021107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212110021107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453611577 + ... + 453656132.

It is an arithmetic number, because the mean of its divisors is an integer number (1306465502400).

Almost surely, 2^{20212110021102} is an apocalyptic number.

20212110021102 is an abundant number, since it is smaller than the sum of its proper divisors (21594786055698).

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

20212110021102 is a wasteful number, since it uses less digits than its factorization.

20212110021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907267840.

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

Adding to 20212110021102 its reverse (20112001121202), we get a palindrome (40324111142304).

The spelling of 20212110021102 in words is "twenty trillion, two hundred twelve billion, one hundred ten million, twenty-one thousand, one hundred two".