21220101121202 has 8 divisors (see below), whose sum is σ = 32073129939312. Its totient is φ = 10529057808100.

The previous prime is 21220101121159. The next prime is 21220101121211. The reversal of 21220101121202 is 20212110102212.

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, 40496375924 + ... + 40496376447.

It is an arithmetic number, because the mean of its divisors is an integer number (4009141242414).

Almost surely, 2^{21220101121202} is an apocalyptic number.

21220101121202 is a deficient number, since it is larger than the sum of its proper divisors (10853028818110).

21220101121202 is a wasteful number, since it uses less digits than its factorization.

21220101121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80992752504.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21220101121202 its reverse (20212110102212), we get a palindrome (41432211223414).

The spelling of 21220101121202 in words is "twenty-one trillion, two hundred twenty billion, one hundred one million, one hundred twenty-one thousand, two hundred two".