20210100101122 has 4 divisors (see below), whose sum is σ = 30315150151686. Its totient is φ = 10105050050560.

The previous prime is 20210100101099. The next prime is 20210100101153. The reversal of 20210100101122 is 22110100101202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10110994488841 + 10099105612281 = 3179779^2 + 3177909^2 .

It is a super-3 number, since 3×20210100101122³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052525025279 + ... + 5052525025282.

Almost surely, 2^{20210100101122} is an apocalyptic number.

20210100101122 is a deficient number, since it is larger than the sum of its proper divisors (10105050050564).

20210100101122 is a wasteful number, since it uses less digits than its factorization.

20210100101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105050050563.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20210100101122 its reverse (22110100101202), we get a palindrome (42320200202324).

The spelling of 20210100101122 in words is "twenty trillion, two hundred ten billion, one hundred million, one hundred one thousand, one hundred twenty-two".