1220011101002 has 16 divisors (see below), whose sum is σ = 1836105084000. Its totient is φ = 607977197520.

The previous prime is 1220011100939. The next prime is 1220011101061. The reversal of 1220011101002 is 2001011100221.

It is a super-2 number, since 2×1220011101002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904624 + ... + 2463252.

It is an arithmetic number, because the mean of its divisors is an integer number (114756567750).

Almost surely, 2^{1220011101002} is an apocalyptic number.

1220011101002 is a deficient number, since it is larger than the sum of its proper divisors (616093982998).

1220011101002 is a wasteful number, since it uses less digits than its factorization.

1220011101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562261.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220011101002 its reverse (2001011100221), we get a palindrome (3221022201223).

The spelling of 1220011101002 in words is "one trillion, two hundred twenty billion, eleven million, one hundred one thousand, two".