101221202101102 has 4 divisors (see below), whose sum is σ = 151831803151656. Its totient is φ = 50610601050550.

The previous prime is 101221202101093. The next prime is 101221202101157. The reversal of 101221202101102 is 201101202122101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×101221202101102² (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 as a sum of consecutive naturals, namely, 25305300525274 + ... + 25305300525277.

It is an arithmetic number, because the mean of its divisors is an integer number (37957950787914).

Almost surely, 2^{101221202101102} is an apocalyptic number.

101221202101102 is a deficient number, since it is larger than the sum of its proper divisors (50610601050554).

101221202101102 is an equidigital number, since it uses as much as digits as its factorization.

101221202101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50610601050553.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101221202101102 its reverse (201101202122101), we get a palindrome (302322404223203).

The spelling of 101221202101102 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred two million, one hundred one thousand, one hundred two".