121202001102 has 64 divisors (see below), whose sum is σ = 301419224064. Its totient is φ = 31635809280.

The previous prime is 121202001079. The next prime is 121202001103. The reversal of 121202001102 is 201100202121.

It is a super-2 number, since 2×121202001102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202001103) 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, 1091274 + ... + 1197197.

It is an arithmetic number, because the mean of its divisors is an integer number (4709675376).

Almost surely, 2^121202001102 is an apocalyptic number.

121202001102 is an abundant number, since it is smaller than the sum of its proper divisors (180217222962).

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

121202001102 is a wasteful number, since it uses less digits than its factorization.

121202001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288593.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121202001102 its reverse (201100202121), we get a palindrome (322302203223).

The spelling of 121202001102 in words is "one hundred twenty-one billion, two hundred two million, one thousand, one hundred two".