20012211022101 has 8 divisors (see below), whose sum is σ = 28252533207744. Its totient is φ = 12556681425600.

The previous prime is 20012211022093. The next prime is 20012211022103. The reversal of 20012211022101 is 10122011221002.

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

It is not a de Polignac number, because 20012211022101 - 2³ = 20012211022093 is a prime.

It is a super-2 number, since 2×20012211022101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012211022103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196198147225 + ... + 196198147326.

It is an arithmetic number, because the mean of its divisors is an integer number (3531566650968).

Almost surely, 2^{20012211022101} is an apocalyptic number.

It is an amenable number.

20012211022101 is a deficient number, since it is larger than the sum of its proper divisors (8240322185643).

20012211022101 is a wasteful number, since it uses less digits than its factorization.

20012211022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392396294571.

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

Adding to 20012211022101 its reverse (10122011221002), we get a palindrome (30134222243103).

The spelling of 20012211022101 in words is "twenty trillion, twelve billion, two hundred eleven million, twenty-two thousand, one hundred one".