121002212020101 has 16 divisors (see below), whose sum is σ = 171957954607488. Its totient is φ = 75420155520000.

The previous prime is 121002212020091. The next prime is 121002212020147. The reversal of 121002212020101 is 101020212200121.

It is not a de Polignac number, because 121002212020101 - 2⁶ = 121002212020037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002212030101) 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, 7856258500 + ... + 7856273901.

It is an arithmetic number, because the mean of its divisors is an integer number (10747372162968).

Almost surely, 2^{121002212020101} is an apocalyptic number.

It is an amenable number.

121002212020101 is a deficient number, since it is larger than the sum of its proper divisors (50955742587387).

121002212020101 is a wasteful number, since it uses less digits than its factorization.

121002212020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15712532572.

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

Adding to 121002212020101 its reverse (101020212200121), we get a palindrome (222022424220222).

The spelling of 121002212020101 in words is "one hundred twenty-one trillion, two billion, two hundred twelve million, twenty thousand, one hundred one".