20210102212253 has 2 divisors, whose sum is σ = 20210102212254. Its totient is φ = 20210102212252.

The previous prime is 20210102212217. The next prime is 20210102212319. The reversal of 20210102212253 is 35221220101202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16163961916249 + 4046140296004 = 4020443^2 + 2011502^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210102212253 - 2⁸ = 20210102211997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210102262253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105051106126 + 10105051106127.

It is an arithmetic number, because the mean of its divisors is an integer number (10105051106127).

Almost surely, 2^{20210102212253} is an apocalyptic number.

It is an amenable number.

20210102212253 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210102212253 is an equidigital number, since it uses as much as digits as its factorization.

20210102212253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20210102212253 its reverse (35221220101202), we get a palindrome (55431322313455).

The spelling of 20210102212253 in words is "twenty trillion, two hundred ten billion, one hundred two million, two hundred twelve thousand, two hundred fifty-three".