101201011121 has 16 divisors (see below), whose sum is σ = 116925709824. Its totient is φ = 85794315264.

The previous prime is 101201011117. The next prime is 101201011123. The reversal of 101201011121 is 121110102101.

It is not a de Polignac number, because 101201011121 - 2² = 101201011117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101201011123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027781 + ... + 1121933.

It is an arithmetic number, because the mean of its divisors is an integer number (7307856864).

Almost surely, 2^101201011121 is an apocalyptic number.

It is an amenable number.

101201011121 is a deficient number, since it is larger than the sum of its proper divisors (15724698703).

101201011121 is an equidigital number, since it uses as much as digits as its factorization.

101201011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95840.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101201011121 its reverse (121110102101), we get a palindrome (222311113222).

The spelling of 101201011121 in words is "one hundred one billion, two hundred one million, eleven thousand, one hundred twenty-one".