121202210020101 has 16 divisors (see below), whose sum is σ = 185100416208000. Its totient is φ = 69104155373568.

The previous prime is 121202210020063. The next prime is 121202210020127. The reversal of 121202210020101 is 101020012202121.

It is not a de Polignac number, because 121202210020101 - 2²¹ = 121202207922949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202210020141) 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, 6427088356 + ... + 6427107213.

It is an arithmetic number, because the mean of its divisors is an integer number (11568776013000).

Almost surely, 2^{121202210020101} is an apocalyptic number.

It is an amenable number.

121202210020101 is a deficient number, since it is larger than the sum of its proper divisors (63898206187899).

121202210020101 is a wasteful number, since it uses less digits than its factorization.

121202210020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854196028.

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

Adding to 121202210020101 its reverse (101020012202121), we get a palindrome (222222222222222).

The spelling of 121202210020101 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred ten million, twenty thousand, one hundred one".