20010101102122 has 8 divisors (see below), whose sum is σ = 30015181982016. Its totient is φ = 10005040441452.

The previous prime is 20010101102107. The next prime is 20010101102129. The reversal of 20010101102122 is 22120110101002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20010101102122² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20010101102129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2274898 + ... + 6722749.

It is an arithmetic number, because the mean of its divisors is an integer number (3751897747752).

Almost surely, 2^{20010101102122} is an apocalyptic number.

20010101102122 is a deficient number, since it is larger than the sum of its proper divisors (10005080879894).

20010101102122 is a wasteful number, since it uses less digits than its factorization.

20010101102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109612.

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

Adding to 20010101102122 its reverse (22120110101002), we get a palindrome (42130211203124).

The spelling of 20010101102122 in words is "twenty trillion, ten billion, one hundred one million, one hundred two thousand, one hundred twenty-two".