20110101012010 has 64 divisors (see below), whose sum is σ = 36756137180160. Its totient is φ = 7920942796800.

The previous prime is 20110101011981. The next prime is 20110101012041. The reversal of 20110101012010 is 1021010101102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830194759 + ... + 830218981.

It is an arithmetic number, because the mean of its divisors is an integer number (574314643440).

Almost surely, 2^{20110101012010} is an apocalyptic number.

20110101012010 is a deficient number, since it is larger than the sum of its proper divisors (16646036168150).

20110101012010 is a wasteful number, since it uses less digits than its factorization.

20110101012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28783.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20110101012010 its reverse (1021010101102), we get a palindrome (21131111113112).

The spelling of 20110101012010 in words is "twenty trillion, one hundred ten billion, one hundred one million, twelve thousand, ten".