121020200101102 has 32 divisors (see below), whose sum is σ = 183795623165952. Its totient is φ = 59759391765024.

The previous prime is 121020200101061. The next prime is 121020200101117. The reversal of 121020200101102 is 201101002020121.

It is a super-2 number, since 2×121020200101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722498253 + ... + 722665735.

It is an arithmetic number, because the mean of its divisors is an integer number (5743613223936).

Almost surely, 2^{121020200101102} is an apocalyptic number.

121020200101102 is a deficient number, since it is larger than the sum of its proper divisors (62775423064850).

121020200101102 is a wasteful number, since it uses less digits than its factorization.

121020200101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180592.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121020200101102 its reverse (201101002020121), we get a palindrome (322121202121223).

The spelling of 121020200101102 in words is "one hundred twenty-one trillion, twenty billion, two hundred million, one hundred one thousand, one hundred two".