20101021120022 has 16 divisors (see below), whose sum is σ = 30793580697600. Its totient is φ = 9836501541288.

The previous prime is 20101021120009. The next prime is 20101021120031. The reversal of 20101021120022 is 22002112010102.

It is a junction number, because it is equal to n+sod(n) for n = 20101021119979 and 20101021120006.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 3781979 + ... + 7382777.

It is an arithmetic number, because the mean of its divisors is an integer number (1924598793600).

Almost surely, 2^{20101021120022} is an apocalyptic number.

20101021120022 is a deficient number, since it is larger than the sum of its proper divisors (10692559577578).

20101021120022 is a wasteful number, since it uses less digits than its factorization.

20101021120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660235.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20101021120022 its reverse (22002112010102), we get a palindrome (42103133130124).

The spelling of 20101021120022 in words is "twenty trillion, one hundred one billion, twenty-one million, one hundred twenty thousand, twenty-two".