1011210202220 has 48 divisors (see below), whose sum is σ = 2129006654208. Its totient is φ = 403443668160.

The previous prime is 1011210202201. The next prime is 1011210202231. The reversal of 1011210202220 is 222020121101.

It is a junction number, because it is equal to n+sod(n) for n = 1011210202195 and 1011210202204.

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, 31091207 + ... + 31123713.

It is an arithmetic number, because the mean of its divisors is an integer number (44354305296).

Almost surely, 2^{1011210202220} is an apocalyptic number.

1011210202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011210202220 is an abundant number, since it is smaller than the sum of its proper divisors (1117796451988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011210202220 is a wasteful number, since it uses less digits than its factorization.

1011210202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36470 (or 36468 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1011210202220 its reverse (222020121101), we get a palindrome (1233230323321).

The spelling of 1011210202220 in words is "one trillion, eleven billion, two hundred ten million, two hundred two thousand, two hundred twenty".