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1211121120022 = 211201432733007
BaseRepresentation
bin10001100111111100011…
…100011011001100010110
311021210010010001112122121
4101213330130123030112
5124320334001320042
62324214212450154
7153333465443332
oct21477434331426
94253103045577
101211121120022
114276a7331180
1217688201995a
138a29263bcb8
14428935267c2
1521786202367
hex119fc71b316

1211121120022 has 16 divisors (see below), whose sum is σ = 1981933673472. Its totient is φ = 550482068520.

The previous prime is 1211121119983. The next prime is 1211121120029. The reversal of 1211121120022 is 2200211211121.

Adding to 1211121120022 its reverse (2200211211121), we get a palindrome (3411332331143).

It is a junction number, because it is equal to n+sod(n) for n = 1211121119978 and 1211121120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211121120029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923358 + ... + 1809649.

It is an arithmetic number, because the mean of its divisors is an integer number (123870854592).

Almost surely, 21211121120022 is an apocalyptic number.

1211121120022 is a deficient number, since it is larger than the sum of its proper divisors (770812553450).

1211121120022 is a wasteful number, since it uses less digits than its factorization.

1211121120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753163.

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

The spelling of 1211121120022 in words is "one trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 11 22 20143 40286 221573 443146 2733007 5466014 30063077 60126154 55050960001 110101920002 605560560011 1211121120022