20211001001122 has 16 divisors (see below), whose sum is σ = 30486406752000. Its totient is φ = 10048867414960.

The previous prime is 20211001001083. The next prime is 20211001001153. The reversal of 20211001001122 is 22110010011202.

It is a super-2 number, since 2×20211001001122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21064047 + ... + 22002637.

It is an arithmetic number, because the mean of its divisors is an integer number (1905400422000).

Almost surely, 2^{20211001001122} is an apocalyptic number.

20211001001122 is a deficient number, since it is larger than the sum of its proper divisors (10275405750878).

20211001001122 is a wasteful number, since it uses less digits than its factorization.

20211001001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998921.

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

Adding to 20211001001122 its reverse (22110010011202), we get a palindrome (42321011012324).

The spelling of 20211001001122 in words is "twenty trillion, two hundred eleven billion, one million, one thousand, one hundred twenty-two".