101021200100122 has 8 divisors (see below), whose sum is σ = 151531953888276. Its totient is φ = 50510548804032.

The previous prime is 101021200100099. The next prime is 101021200100143. The reversal of 101021200100122 is 221001002120101.

It can be written as a sum of positive squares in 2 ways, for example, as 97681812994921 + 3339387105201 = 9883411^2 + 1827399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23109583 + ... + 27131074.

Almost surely, 2^{101021200100122} is an apocalyptic number.

101021200100122 is a deficient number, since it is larger than the sum of its proper divisors (50510753788154).

101021200100122 is a wasteful number, since it uses less digits than its factorization.

101021200100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51246032.

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

Adding to 101021200100122 its reverse (221001002120101), we get a palindrome (322022202220223).

The spelling of 101021200100122 in words is "one hundred one trillion, twenty-one billion, two hundred million, one hundred thousand, one hundred twenty-two".