121102202021148 has 96 divisors (see below), whose sum is σ = 314478994475520. Its totient is φ = 40301797760640.

The previous prime is 121102202021081. The next prime is 121102202021149. The reversal of 121102202021148 is 841120202201121.

121102202021148 is a `hidden beast` number, since 12 + 110 + 220 + 202 + 114 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102202021149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 975616528 + ... + 975740648.

It is an arithmetic number, because the mean of its divisors is an integer number (3275822859120).

Almost surely, 2^{121102202021148} is an apocalyptic number.

121102202021148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

121102202021148 is an abundant number, since it is smaller than the sum of its proper divisors (193376792454372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121102202021148 is a wasteful number, since it uses less digits than its factorization.

121102202021148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138744 (or 138736 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

Adding to 121102202021148 its reverse (841120202201121), we get a palindrome (962222404222269).

The spelling of 121102202021148 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred two million, twenty-one thousand, one hundred forty-eight".