121201011121102 has 32 divisors (see below), whose sum is σ = 198943380357120. Its totient is φ = 54920799077280.

The previous prime is 121201011121097. The next prime is 121201011121103. The reversal of 121201011121102 is 201121110102121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201011121103) 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, 18901524 + ... + 24488152.

It is an arithmetic number, because the mean of its divisors is an integer number (6216980636160).

Almost surely, 2^{121201011121102} is an apocalyptic number.

121201011121102 is a deficient number, since it is larger than the sum of its proper divisors (77742369236018).

121201011121102 is a wasteful number, since it uses less digits than its factorization.

121201011121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589696.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 121201011121102 its reverse (201121110102121), we get a palindrome (322322121223223).

The spelling of 121201011121102 in words is "one hundred twenty-one trillion, two hundred one billion, eleven million, one hundred twenty-one thousand, one hundred two".